43044041040 has 640 divisors, whose sum is σ = 180588441600. Its totient is φ = 8190443520.

The previous prime is 43044040997. The next prime is 43044041059. The reversal of 43044041040 is 4014044034.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 43044041040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33392716 + ... + 33394004.

It is an arithmetic number, because the mean of its divisors is an integer number (282169440).

Almost surely, 2^43044041040 is an apocalyptic number.

43044041040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43044041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90294220800).

43044041040 is an abundant number, since it is smaller than the sum of its proper divisors (137544400560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43044041040 is a wasteful number, since it uses less digits than its factorization.

43044041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 43044041040 its reverse (4014044034), we get a palindrome (47058085074).

The spelling of 43044041040 in words is "forty-three billion, forty-four million, forty-one thousand, forty".